Introduction About Inventors and Inventions:
An invention is the creation (by a human) of a new configuration, composition of matter, device, or process (that does not already exist in nature or is a law of nature) that serves a useful purpose. This is different from a discovery, which is something that already existed but had not been found.
Inventors and Inventions:
James Watt (1736 – 1819) Inventor of the steam engine, which was critical in the industrial revolution. His invention of a separate condensing chamber, greatly improved the efficiency of steam.
The Wright Brothers:
The Wright Brothers Successfully designed, built and flew the first powered aircraft, showing that man could fly. One of most important inventions of Twentieth Century.
Johannes Gutenberg and Michael Faraday:
Johannes Gutenberg invented the printing press with replaceable/moveable wooden or metal letters in 1436 (completed by 1440). This method of printing can be credited not only for a revolution in the production of books, but also for fostering rapid development in the sciences, arts and religion through the transmission of texts.
During his lifetime from 1791 to 1867, English inventor and chemist Michael Faraday made massive strides in the fields of electromagnetism and electrochemistry. Although he was also responsible for coining pivotal terms such as “electrode,” “cathode” and “ion,” Faraday’s invention of the electric motor marks his most revered contribution to history, and its importance to the technological makeup of the world continues to this day.
Alexander Bell (1847 – 1922) Credited with inventing the first practical telephone. Also worked on optical telecommunications, aeronautics and hydrofoils.
Useful for CBSE, ICSE, NCERT & International Students
Grade : 4
Subject : Evs
Lesson :Inventors and inventions
Topic:Inventors and inventions
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